package com.yidushishizijie;

import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/*
* 多线程之间按照顺序调用，实现A->B->C
* 三个线程启动，要求如下
* AA打印五次
* BB打印十次
* CC打印十五次
* */
public class NewThreadWaitNodifyDemo02 {
    public static void main(String[] args) {
        AirCondition04 airCondition04 = new AirCondition04();
        new Thread(() ->{
            for (int i = 0; i < 10; i++) {
                airCondition04.print5();
            }
        },"A").start();
        new Thread(() ->{
            for (int i = 0; i < 10; i++) {
                airCondition04.print10();
            }
        },"B").start();
        new Thread(() ->{
            for (int i = 0; i < 10; i++) {
                airCondition04.print15();
            }
        },"C").start();
    }
}

class AirCondition04{
    private int number = 1;
    private Lock lock = new ReentrantLock();
    private Condition condition1 = lock.newCondition();
    private Condition condition2 = lock.newCondition();
    private Condition condition3 = lock.newCondition();

    public void print5(){
        lock.lock();
        try {
            //1.判断
            while(number != 1){
                condition1.await();
            }
            //干活
            for (int i = 0; i < 5; i++) {
                System.out.println(Thread.currentThread().getName()+"\t"+i);
            }
            //通知
            number=2;
            condition2.signal();

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    }

    public void print10(){
        lock.lock();
        try {
            //1.判断
            while(number != 2){
                condition2.await();
            }
            //干活
            for (int i = 0; i < 10; i++) {
                System.out.println(Thread.currentThread().getName()+"\t"+i);
            }
            //通知
            number=3;
            condition3.signal();

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    }
    public void print15(){
        lock.lock();
        try {
            //1.判断
            while(number != 3){
                condition3.await();
            }
            //干活
            for (int i = 0; i < 15; i++) {
                System.out.println(Thread.currentThread().getName()+"\t"+i);
            }
            System.out.println("###########################################################################################");
            //通知
            number=1;
            condition1.signal();

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    }
}

